啥c标签中的       if else
<select  id="selectpai" onchange="changge2()">
	<c:if test="${pageVOs.ordGuestname=='指派数量'}">
		 <option selected="selected">指派数量</option>
		 <option>时效</option>
	</c:if>
	<c:if test="${pageVOs.ordGuestname=='时效'}">
		<option>指派数量</option>
		<option  selected="selected">时效</option>
	</c:if>
</select>

